<template>
<el-container>
 <el-header>Header</el-header>
 <el-main>
   <!--行元素-->
   <el-row>
     <!--列元素-->
     <el-col :span="8" style="background-color: aqua;"> &nbsp;</el-col>

   <el-col span="8" style="background-color:black;">
     <el-button>按钮</el-button>
   </el-col>
   <el-col :span="8" style="background-color:blanchedalmond;"></el-col>

   </el-row>
 </el-main>

</el-container>
</template>

<script>

</script>

<style>
  .el-header{
    background-color:red;
  }
  .el-main{
    background-color:blue;
    height: 200px;
  }
</style>
